| AATS | American Association for Thoracic Surgery |
| ACC | American College of Cardiology |
| AED | Automated External Defibrillator |
| AF | Atrial Fibrillation |
| AHA | American Heart Association |
| AMSSM | American Medical Society for Sports Medicine |
| AR | Aortic Regurgitation |
| ARVC | Arrhythmogenic Right Ventricular Cardiomyopathy |
| AS | Aortic Stenosis |
| ASD | Atrial Septal Defect |
| ASE | American Society of Echocardiography |
| ASNC | American Society of Nuclear Cardiology |
| AVR | Aortic Valve Replacement |
| BAV | Bicuspid Aortic Valve |
| BP | Blood Pressure |
| CABG | Coronary Artery Bypass Grafting |
| CAC | Coronary Artery Calcium |
| CAD | Coronary Artery Disease |
| CPVT | Catecholaminergic Polymorphic Ventricular Tachycardia |
| CT | Computed Tomography |
| DCM | Dilated Cardiomyopathy |
| EAP | Emergency Action Plan |
| ECG | Electrocardiogram |
| EF | Ejection Fraction |
| EF% | Ejection Fraction Percentage |
| ESC | European Society of Cardiology |
| H&P | History and Physical (Examination) |
| HCM | Hypertrophic Cardiomyopathy |
| HFSA | Heart Failure Society of America |
| HRS | Heart Rhythm Society |
| HTAD | Heritable Thoracic Aortic Disease |
| ICD | Implantable Cardioverter-Defibrillator |
| IOC | International Olympic Committee |
| LQTS | Long QT Syndrome |
| LV | Left Ventricle |
| LVEDD | Left Ventricular End-Diastolic Diameter |
| LVESD | Left Ventricular End-Systolic Diameter |
| LVH | Left Ventricular Hypertrophy |
| LVOT | Left Ventricular Outflow Tract |
| MR | Mitral Regurgitation |
| MRI | Magnetic Resonance Imaging |
| MS | Mitral Stenosis |
| MVR | Mitral Valve Replacement |
| NYHA | New York Heart Association (Functional Classification) |
| PACES | Pediatric & Congenital Electrophysiology Society |
| PCI | Percutaneous Coronary Intervention |
| PE | Pulmonary Embolism |
| PPE | Preparticipation Evaluation |
| PVC | Premature Ventricular Contraction |
| RVOT | Right Ventricular Outflow Tract |
| SCA | Sudden Cardiac Arrest |
| SCAD | Spontaneous Coronary Artery Dissection |
| SCAI | Society for Cardiovascular Angiography and Interventions |
| SCCT | Society of Cardiovascular Computed Tomography |
| SCD | Sudden Cardiac Death |
| SCMR | Society for Cardiovascular Magnetic Resonance |
| SDM | Shared Decision-Making |
| STS | Society of Thoracic Surgeons |
| TEE | Transesophageal Echocardiogram |
| TTE | Transthoracic Echocardiogram |
| VF | Ventricular Fibrillation |
| VHD | Valvular Heart Disease |
| VO₂ max | Maximal Oxygen Uptake |
| VSA | Ventricular Septal Aneurysm |
| VSD | Ventricular Septal Defect |
| VT | Ventricular Tachycardia |